[1] Cedars Sinai Heart Inst, Adv Heart Dis Sect, Los Angeles, CA 90048 USA
[2] Univ Wisconsin, Div Cardiovasc Med, Madison, WI USA
[3] Duke Univ, Div Cardiol, Durham, NC USA
[4] Emory Univ, Div Cardiothorac Surg, Atlanta, GA 30322 USA
[5] Univ Minnesota, Div Cardiovasc, Minneapolis, MN 55455 USA
[6] United Network Organ Sharing, Richmond, VA USA
[7] Univ Texas Southwestern, Dept Cardiovasc & Thorac Surg, Dallas, TX USA
[8] Univ Toronto, Dept Paediat, Div Cardiol, Toronto, ON M5S 1A1, Canada
[9] Minneapolis Heart Inst, Cardiovasc Serv Div, Minneapolis, MN USA
[10] Univ Pittsburgh, Div Cardiol, Pittsburgh, PA USA
[11] Columbia Univ, Med Ctr, Div Cardiol, New York, NY USA
[12] Vanderbilt Univ, Dept Pediat, Nashville, TN USA